Asteroid Vesta Revealed

comparing asteroids

Asteroid Vesta came so close to evolving into a planet that it is considered a protoplanet. This composite image shows the comparative sizes of nine asteroids. Vesta, wich has a diameter of 330 miles, dwarfs all other small bodies in this image. Until now, Lutetia, with an 81-mile diameter, was the largest asteroid visited by a spacecraft.